Roy 2001.

Methods	Identification of subsequent full‐length publications Searched electronic database PubMed; date of search not reported Person completing the search not reported Searched by all authors and keywords Matched abstract to full‐length publication by All authors Title Contents
Data	Included 660 abstracts presented at the 1978 to 1995 Otorhinolaryngological Research Society meetings Included all abstracts
Comparisons	Proportion of abstracts published Mean time to publication Cumulative proportion of abstracts published Subspecialty
Outcomes	456 of 660 abstracts published Proportion of abstracts published by time Mean time to publication = 22.5 months (range = ‐60 to 108 months) Cumulative proportion of abstracts published at 72 months showed proportion published = 69.1% (456/660 abstracts) No factors other than subspecialty related to proportion of abstracts published reported
Notes	Otolaryngology head and neck surgery Funding not reported
Risk of bias
Item	Authors' judgement	Description
Sampling method?	Yes	Included all abstracts.
Search for publications?	No	Searched only 1 database.
Follow‐up time?	Unclear	Date of search not reported.
Matching?	Yes	Matched by 3 different criteria.
Adjustment for confounding?	No	Examined association of subspecialty with publication using stratified analysis.